Invtepy&reg;The Market Clearest TF Display Screen 320 * 320PX Bluetooth Smart Watch Phone 3D Cambered Sapphire Lens Dual-Core CPU Ultra-clear Aluminum Body Support Andriod Apps Download And Install Built-in GPS Antenna Smartwatch Support GPS \ WIFI \ BT WCDMA 3G Smart Watch Support Synchronization With Andriod Phones-golden The Market Clearest TF Display Screen 320 * 320PX 3D Cambered Sapphire Lens Dual-Core CPU Ultra-clear Aluminum Body Built-in GPS Antenna Support GPS/WIFI/BT/WCDMA Support Sync Notifications With Andriod Phones(Not support iphone)(Not sync call so far)